Electric fan



FIG. 1 is a front perspective view of the electric fan;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a side view thereof;

FIG. 5 is another side view thereof;

FIG. 6 is another side view thereof;

FIG. 7 is another side view thereof; and,

FIG. 8 is a perspective rear detail view thereof without the shroud, which is part of the ornamental design, for illustrating interior details. 

CLAIM The ornamental design for an electric fan, as shown and described. 